– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Mon 06 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 06 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 06 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Wed morning. Warm (max 26°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||
Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  | |  |  | | | | | | | | |
clear | clear | clear | clear | clear | some clouds | light rain | rain shwrs | some clouds | cloudy | some clouds | some clouds | clear | rain shwrs | clear | clear | cloudy | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 0.9 | 0.3 | — | — | — | — | — | 0.1 | — | — | — | — |
max °C | 23 | 26 | 22 | 21 | 23 | 18 | 13 | 18 | 15 | 11 | 15 | 15 | 17 | 20 | 18 | 19 | 22 | 18 |
min °C | 20 | 25 | 15 | 18 | 22 | 13 | 13 | 14 | 10 | 10 | 13 | 11 | 14 | 20 | 13 | 15 | 19 | 9 |
chill °C | 20 | 25 | 15 | 18 | 22 | 13 | 13 | 14 | 10 | 10 | 13 | 11 | 14 | 20 | 13 | 15 | 19 | 9 |
Freezing level m | 3950 | 3950 | 3900 | 3750 | 3700 | 3100 | 3000 | 3200 | 3150 | 2950 | 3100 | 3300 | 3250 | 3350 | 3500 | 3550 | 3500 | 3050 |
Cloud base (m) | 8850 | 9450 | 2600 | 650 | 600 | 2200 | 1900 | 2700 | 1900 | 2250 | 900 | 1700 | 3550 | |||||
 | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — |
 | — | — | 9:12 | — | — | 9:10 | — | — | 9:10 | — | — | 9:09 | — | — | 9:09 | — | — | 9:08 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Wed morning. Warm (max 26°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 22°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.